//Be Name KHODA
#pragma GCC optimize("Ofast")
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define pb push_back
#define pp pop_back
#define lb lower_bound
#define ub upper_bound
#define cl clear
#define bg begin
#define arr(x) array<ll , x>
#define endl '\n'
int n;
vector<ll> a;
multiset<arr(3)> ord , sgs;
ll o = 0;
void uSg(ll l , ll r , ll c){
arr(3) d = {l , r , c};
auto itr = sgs.find(d);
ord.erase({(*itr)[2] , (*itr)[0] , (*itr)[1]});
vector<arr(3)> dls;
dls.pb({l , r , c});
o += c , c = (-c);
if(itr != sgs.bg()){
--itr;
c += (*itr)[2] , l = (*itr)[0];
ord.erase({(*itr)[2] , (*itr)[0] , (*itr)[1]}) , dls.pb({(*itr)[0] , (*itr)[1] , (*itr)[2]});
itr++;
}else l = -1;
if(itr != --sgs.end()){
++itr;
c += (*itr)[2] , r = (*itr)[1];
ord.erase({(*itr)[2] , (*itr)[0] , (*itr)[1]}) , dls.pb({(*itr)[0] , (*itr)[1] , (*itr)[2]});
itr--;
}else r = n;
ord.insert({c , l , r}) , sgs.insert({l , r , c});
for(auto &dl : dls) sgs.erase(dl);
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
cin >> n;
for(int i = 0 ; i < n ; i++){
int d;
cin >> d;
a.pb(d);
}
for(int i = 0 ; i < n ; i++){
sgs.insert({i , i , a[i]}) , ord.insert({a[i] , i , i});
}
for(int i = 1 ; i <= ((n + 1) >> 1) ; i++){
auto itr = --(ord.end());
while((*itr)[1] == -1 or (*itr)[2] == n) --itr;
ll l = (*itr)[1] , c = (*itr)[0] , r = (*itr)[2];
uSg(l , r , c);
cout << o << endl;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
600 KB |
Output is correct |
2 |
Correct |
2 ms |
856 KB |
Output is correct |
3 |
Correct |
3 ms |
752 KB |
Output is correct |
4 |
Correct |
2 ms |
604 KB |
Output is correct |
5 |
Correct |
3 ms |
604 KB |
Output is correct |
6 |
Correct |
2 ms |
604 KB |
Output is correct |
7 |
Correct |
3 ms |
604 KB |
Output is correct |
8 |
Correct |
3 ms |
724 KB |
Output is correct |
9 |
Correct |
2 ms |
600 KB |
Output is correct |
10 |
Correct |
3 ms |
604 KB |
Output is correct |
11 |
Correct |
3 ms |
760 KB |
Output is correct |
12 |
Correct |
2 ms |
604 KB |
Output is correct |
13 |
Correct |
2 ms |
604 KB |
Output is correct |
14 |
Correct |
2 ms |
604 KB |
Output is correct |
15 |
Correct |
2 ms |
604 KB |
Output is correct |
16 |
Correct |
2 ms |
604 KB |
Output is correct |
17 |
Correct |
2 ms |
604 KB |
Output is correct |
18 |
Correct |
3 ms |
600 KB |
Output is correct |
19 |
Correct |
3 ms |
512 KB |
Output is correct |
20 |
Correct |
2 ms |
616 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
600 KB |
Output is correct |
2 |
Correct |
2 ms |
856 KB |
Output is correct |
3 |
Correct |
3 ms |
752 KB |
Output is correct |
4 |
Correct |
2 ms |
604 KB |
Output is correct |
5 |
Correct |
3 ms |
604 KB |
Output is correct |
6 |
Correct |
2 ms |
604 KB |
Output is correct |
7 |
Correct |
3 ms |
604 KB |
Output is correct |
8 |
Correct |
3 ms |
724 KB |
Output is correct |
9 |
Correct |
2 ms |
600 KB |
Output is correct |
10 |
Correct |
3 ms |
604 KB |
Output is correct |
11 |
Correct |
3 ms |
760 KB |
Output is correct |
12 |
Correct |
2 ms |
604 KB |
Output is correct |
13 |
Correct |
2 ms |
604 KB |
Output is correct |
14 |
Correct |
2 ms |
604 KB |
Output is correct |
15 |
Correct |
2 ms |
604 KB |
Output is correct |
16 |
Correct |
2 ms |
604 KB |
Output is correct |
17 |
Correct |
2 ms |
604 KB |
Output is correct |
18 |
Correct |
3 ms |
600 KB |
Output is correct |
19 |
Correct |
3 ms |
512 KB |
Output is correct |
20 |
Correct |
2 ms |
616 KB |
Output is correct |
21 |
Correct |
547 ms |
30408 KB |
Output is correct |
22 |
Correct |
552 ms |
30388 KB |
Output is correct |
23 |
Correct |
481 ms |
30592 KB |
Output is correct |
24 |
Correct |
273 ms |
30392 KB |
Output is correct |
25 |
Correct |
249 ms |
30116 KB |
Output is correct |
26 |
Correct |
256 ms |
30172 KB |
Output is correct |
27 |
Correct |
271 ms |
30444 KB |
Output is correct |
28 |
Correct |
253 ms |
30404 KB |
Output is correct |
29 |
Correct |
264 ms |
30508 KB |
Output is correct |
30 |
Correct |
286 ms |
30404 KB |
Output is correct |
31 |
Correct |
279 ms |
30640 KB |
Output is correct |
32 |
Correct |
274 ms |
30392 KB |
Output is correct |
33 |
Correct |
356 ms |
30152 KB |
Output is correct |
34 |
Correct |
349 ms |
30148 KB |
Output is correct |
35 |
Correct |
362 ms |
30240 KB |
Output is correct |
36 |
Correct |
514 ms |
30396 KB |
Output is correct |
37 |
Correct |
491 ms |
30412 KB |
Output is correct |
38 |
Correct |
476 ms |
30532 KB |
Output is correct |
39 |
Correct |
267 ms |
30136 KB |
Output is correct |
40 |
Correct |
263 ms |
30408 KB |
Output is correct |
41 |
Correct |
247 ms |
30260 KB |
Output is correct |
42 |
Correct |
249 ms |
30504 KB |
Output is correct |
43 |
Correct |
254 ms |
30404 KB |
Output is correct |
44 |
Correct |
259 ms |
30412 KB |
Output is correct |
45 |
Correct |
284 ms |
30508 KB |
Output is correct |
46 |
Correct |
265 ms |
30356 KB |
Output is correct |
47 |
Correct |
274 ms |
30460 KB |
Output is correct |
48 |
Correct |
336 ms |
30116 KB |
Output is correct |
49 |
Correct |
376 ms |
30084 KB |
Output is correct |
50 |
Correct |
382 ms |
30152 KB |
Output is correct |